The article is not questioning the dominance of the current desktop computing paradigm. It is to illuminate the speed at which computing platforms can be displa

The article is not questioning the dominance of the current desktop computing paradigm. It is to illuminate the speed at which computing platforms can be displaced. The metric that matters is usage, obviously almost everyone has a PC and since most PCs sold in the last 5 years are capable to satisfying users without an upgrade, the fact that PCs are still selling in such a high volume doesn't bode well for the doomsday predictions by number-twisting bloggers. PC sales have not been contributing much to the bottom lines of HP, Dell etc for many years now. In business, profit matters. Usage is indirectly useful if it leads to profits. This is the fundamental difference between the Apple and Google worldviews. The tl;dr summary is that computer makers have to sell many more PCs to come close to what Apple is making from the sale of each iPhone or iPad.